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Solvent Red 3

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Solvent Red 3 Basic information

Product Name:
Solvent Red 3
Synonyms:
  • 4-[(4-ethoxyphenyl)azo]-1-naphthaleno
  • c.i.solventred3
  • CI 12010
  • FAT BROWN B
  • 4-((4-ethoxyphenyl)azo)-1-naphthalenol
  • 4-[(4-Ethoxyphenyl)azo]naphthol
  • SOLVENT RED 3
  • 4-(4-ethoxyphenyl)azo-1-naphthol
CAS:
6535-42-8
MF:
C18H16N2O2
MW:
292.33
EINECS:
229-439-8
Product Categories:
  • Solvent Dyestuff
  • Organics
Mol File:
6535-42-8.mol
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Solvent Red 3 Chemical Properties

Melting point:
152-155 °C
Boiling point:
510.5±30.0 °C(Predicted)
Density 
1.17±0.1 g/cm3(Predicted)
storage temp. 
room temp
solubility 
ethanol: 1mg/mL
Colour Index 
12010
pka
8.39±0.40(Predicted)
form 
powder
color 
brown to dark brown
LogP
3.824 (est)
EPA Substance Registry System
1-Naphthalenol, 4-[(4-ethoxyphenyl)azo]- (6535-42-8)
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Safety Information

WGK Germany 
3
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Solvent Red 3 Usage And Synthesis

Uses

Fat Brown B is a stain/dye. Dyes and metabolites.

Preparation

4-Ethoxybenzenamine diazotization, and Naphthalen-1-ol coupling.

Properties and Applications

bordeaux. Dark yellow crystallization, melting point is 168 ℃. Soluble in ethanol, acetone and benzene.

Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate(5%) Hydrochloric acid(5%)
Melting point Stable
ISO Poor-General 146-149 120 Insoluble General No change

Solvent Red 3Supplier

Hangzhou J&H Chemical Co., Ltd.
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